#433B5A
Closest named color: Dark Grey Blue (#29465B). oklch(37.4% 0.053 295.6), rgb(67, 59, 90).
Aa
White text reads best on this color (10.43:1).
About this color
#433B5A is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.053 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.048 away. White text reads best on it, at 10.43:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.01:1 |
| White text | 10.43:1 |
Values
| HEX | #433B5A |
| RGB | rgb(67, 59, 90) |
| HSL | hsl(255, 21%, 29%) |
| OKLCH | oklch(37.4% 0.053 295.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #433B5A | 10.43:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #433B5A | 2.01:1 | Fails | Lc 9.7 | Not readable |
| #433B5A text on white | 10.43:1 | AAA | Lc 94.2 | Preferred for body text |
| #433B5A text on black | 2.01:1 | Fails | Lc -8.4 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E7
oklch(88.4% 0.023 296.7)
-
Step 300
300
#C2BCD8
oklch(80.9% 0.04 295.3)
-
Step 400
400
#A399C5
oklch(70.7% 0.064 295.1)
-
Step 500
500
#8D80B6
oklch(63.2% 0.081 295)
-
Step 600
600
#7868A1
oklch(55.6% 0.088 296.3)
-
Step 700
700
#65578A
oklch(49.2% 0.081 295.9)
-
Step 800
800
#524770
oklch(42.7% 0.068 295.7)
-
Step 900
900 (this color)
#433B5A
oklch(37.4% 0.053 295.6)
-
Step 950
950
#282335
oklch(27% 0.034 296.8)
#433B5A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #33405B | 0.028 |
| Deuteranopia (no green cones) | #343F59 | 0.026 |
| Tritanopia (no blue cones) | #3E4046 | 0.044 |
| Achromatopsia (no color) | #404040 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433B5A
#433B5A
oklch(37.4% 0.053 295.6)
- #404422
#404422
oklch(37.4% 0.053 114.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #433B5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.053
- Onyx #343A40 ΔE 0.054
- Charcoal #264653 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.063
- Gunmetal #293241 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.072
Use #433B5A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.